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Essential (and Free!) Security Downloads

Spyware, viruses, Trojans, and assorted malware are clamoring to get onto your PC and cause damage. Snoopers want to get at your personal information for nefarious purposes, such as identity theft. Luckily, there's plenty of free software to protect your privacy and security--and some are industrial-strength tools that can do everything that expensive security software does. These 10 favorite programs help protect your privacy and security. Download and install them, and you'll be far safer against all the nastiness out there.

Rating & Price
Products
License: Free

AVAST Software avast! Free Antivirus

Free antivirus protection just as good as the 'big boys.'

- Rated: June 06, 2011
License: Free

F-Secure F-Secure Blacklight Rootkit Eliminator

Detect and kill hard-to-find rootkits.

PCWorld Rating
License: Free

Secunia Secunia PSI

Identify program security leaks and batten down the hatches with this free software.

Full Review - Rated: January 24, 2011
License: Free

Comodo Comodo Firewall (32-bit version)

Protect yourself against many Internet-borne threats.

Full Review - Rated: June 01, 2011
License: Free

McAfee SiteAdvisor McAfee SiteAdvisor for Firefox

This Firefox browser plug-in alerts you to risky Web search results.

License: Free

McAfee McAfee SiteAdvisor for Internet Explorer

This IE browser plug-in alerts you to risky Web search results.

License: Free

Trend Micro HijackThis

Find possible threats and see what's running in the background with this Spartan--but effective--detection tool.

License: Free

Javacool SpywareBlaster

Catch spyware before it installs itself and wreaks havoc on your computer.

License: Free

Giorgio Maone NoScript

Protect your PC by customizing your JavaScript preferences in Firefox, Flock, or Mozilla.

Prices from $59.00 License: Trial

Unedged Software, LLC SendShield Standard

Clean Office documents of private information before sending.

License: Free

Piriform CCleaner

Remove useless files from several applications, including Microsoft apps.

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Downloads: Freeware, Shareware and Software to Buy
  • avast! Free Antivirus Free antivirus protection just as good as the 'big boys.'
  • Kaspersky Anti-Virus Protect your PC with an expert antivirus solution specially created for home use
  • Quick Heal AntiVirus 2010 32Bit Lighter | Faster | SmarterQuick Heal AntiVirus 2010, with its intuitive and easy-to-use interface, provides hassle-free protection for your system. Once installed it acts as a shield against viruses, worms, trojans, spywares and other malicious threats. It also provides protection against new and unknown viruses using Quick Heal's renowned DNAScan technology, and blocks malicious websites. Quick Heal AntiVirus 2010 is very low on resource usage and gives enhanced protection without slowing down your computer.AntiVirusThe powerful virus detection engine of Quick Heal AntiVirus scans and removes viruses, worms, trojans and many other threats that may try to sneak into your system through removable drives, email attachments and Internet downloads.AntiSpywareSpyware is malicious software that is installed on the system without the userâs knowledge to gather personal information of the user and to monitor the critical information such as user name, passwords, bank account details, credit card details etc. The AntiSpyware feature blocks spywares before they get installed on your PC. It also protects your privacy by detecting and cleaning spywares, and blocking their activities of identity theft automatically.AntiMalwareA new advanced malware scanning engine scans registry, files and folders at lightning speed to thoroughly detect and clean Spywares, Adwares, Roguewares, Dialers, Riskwares and lots of other potential threats in your system.Anti-RootkitDetects and cleans rootkits proactively by doing deep system scan. Scans running processes, registry and file system

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